Pith Number

pith:7Z2M3SNE

pith:2023:7Z2M3SNEKLFC5IYOO5WRPVBQIT

not attested not anchored not stored refs pending

Discovery of a substellar companion in the TESS light curve of the $\delta$ Scuti/$\gamma$ Doradus hybrid pulsator HD 31221

A. Derekas, A. M. S. Smith, A. P\'al, C. Ziegler, F. Murgas, Gy. M. Szab\'o, H. Parviainen, J. Kov\'acs, R. Szab\'o, Sz. Csizmadia, Sz. K\'alm\'an, V. Heged\H{u}s

arxiv:2305.04000 v1 · 2023-05-06 · astro-ph.EP · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Z2M3SNEKLFC5IYOO5WRPVBQIT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T06:15:30.619257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe74cdc9a452ca2ea30e776d17d43044f03829d1cb80eb5469e70f1931fbc936

Aliases

arxiv: 2305.04000 · arxiv_version: 2305.04000v1 · doi: 10.48550/arxiv.2305.04000 · pith_short_12: 7Z2M3SNEKLFC · pith_short_16: 7Z2M3SNEKLFC5IYO · pith_short_8: 7Z2M3SNE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7Z2M3SNEKLFC5IYOO5WRPVBQIT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fe74cdc9a452ca2ea30e776d17d43044f03829d1cb80eb5469e70f1931fbc936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "febc78b7c3d141228217476655b1dd4b92569348386a4f57d25e2883fc683c55",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-05-06T10:23:14Z",
    "title_canon_sha256": "b38e63023c25f47188c53614f64f2319d4a359435ac079b8ff5e69434a7072d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.04000",
    "kind": "arxiv",
    "version": 1
  }
}